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Aquarium Filter Cartridges

Aquarium Filter Cartridges Products

Cascade 600 Disposable Carbon Filter Cartridges

$7.62 - $28.97
  • $55.99
  • Save $27 (48%)

Penn Plax Smallword Replacement Filtration Units

$5.62 - $32.03
  • $60.99
  • Save $29 (47%)
4.8 (4)

Penn Plax Cascade 600 Bio-Sponge

$6.99 - $39.84
  • $79.99
  • Save $40 (50%)

Cascade 300 Disposable Carbon Filter Cartridges

$4.29 - $16.29
  • $24.99
  • Save $9 (35%)

Penn Plax Cascade 400 Bio-Sponge

$4.99 - $28.44
  • $54.99
  • Save $27 (48%)

Penn Plax Cascade 300 Bio-Sponge

$5.99 - $32.34
  • $61.99
  • Save $30 (48%)
5.0 (1)

Cascade 300 Power Filter Bio-Sponge Cartridge

$5.99 - $34.14
  • $64.99
  • Save $31 (47%)

Cascade 400 Disposable Carbon Filter Cartridges

$5.29 - $20.10
  • $34.99
  • Save $15 (43%)
Best Seller

Marina Replacement Power Cartridge for i25 Filters

$4.33 - $24.70
  • $41.99
  • Save $17 (41%)
5.0 (2)

Penn Plax Clear-Free Disposable Cartridges for Aquarium Filters

$3.88 - $43.25
  • $86.99
  • Save $44 (50%)
5.0 (1)